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Installation i want to change my firmware version 3.77m33 to a higher version. how? can you help me?

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You will need the following info.
Make & model of your motherboard, chipset information, Bios info. Did any software come with your motherboard ? Is there a bios flashing utility in there ?

Once you have that, search the manufacturer (for your motherboard) site and see if a firmware upgrade is avail for your system. Any additional instructions ?

Definately image your drive and create a system restore point before making the change. There are also free utilities out there for backing up your cmos settings. I hope this stuff will get you to 'point B'. :)

Posted on Jul 29, 2008

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Posted on Jan 02, 2017

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Hi sheng,

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I wish that I had better news.

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The current version is at least 5.7. However, many folks have corrected dropout issues with their AirPort Extremes by reverting to Version 5.5.1. This link will take you to the download page for 5.5.1. Download the file, and then use the Updater application to install it. A caution in this approach is that you may lose some features that perhaps you had been using, but the rate of success for this approach is significant. You can revert back to your current version (be sure to write it down before you change it) if you wish.

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Computer can only be changed regins 4 times before it locks

DVD drives on new PCs allow the user to change region just five times before insisting on “locking” to a chosen region. Fortunately, with the right knowledge and specialist software, it’s possible to break the lock. Again, this process is quite legal,

*Tech NOTE*
doing so may void your warranties.

Getting the Information you need

The first thing to do is find the exact model and firmware version of your DVD drive. Device Manager in Windows may not give you enough information, so an extra piece of software is required. DISC info will give you all the information needed about a drive.

Download it HERE

and extract the files from the compressed ZIP folder. Launch the DISC Info application and WRITE DOWN THE DISPLAYED INFO on your drive …

This will be needed for the next step.

Now that you know the version of the firmware software in your drive you need to find out what modifications are needed to remove the region protection. A good place to start is The Firmware Page at There are listings for all kinds of DVD drive. Click on the Download firmware link on the left-hand side of the page and find the listing for your drive model number as reported in DISC Info you noted down in the first step.

Take this opportunity first

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Now let’s do it

Install the appropriate firmware-flashing software on your computer … in my case it was called CO48KH0R.EXE (XFlash), this is the latest firmware upgrade for my Liteon. Double-click on the icon to launch it. You should read any help file that came with the firmware-flashing utility, if there is one, in my case there was not, it wasn’t difficult. When it has finished, restart your computer as requested.

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If Windows disputes the number of changes you can reset it by clicking on the Windows tab and using the Erase command to remove the region settings from the Registry. Always make a backup of the Registry before making any changes to it. You can do this using Advanced mode in Windows Backup utility, which you’ll find under the System Tools submenu from the Start menu.

Rate at 100% cos that answer is the BOSS... ^_^ - give feedback..

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Have a look at

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I hope this helps. If it does then please rate this solution.

Have a great day,

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